SPF
Encyclopedia
SPF may refer to:
In science
In mathematics
In computing and telecommunications
In government and politics
In construction
Other uses
In science
- Sun protection factor, a laboratory measure of the effectiveness of sunscreen
- Specific Pathogen FreeSpecific Pathogen FreeSpecific Pathogen Free is a term used for laboratory animals that are guaranteed free of particular pathogens. It is always accompanied by a list of the absent pathogens.Use of SPF animals ensures that specified diseases do not interfere with an experiment...
, a term for laboratory animals known to be without pathogens - S-phase fraction, a measure of proliferative activity in oncology
- Superplastic formingSuperplastic formingSuperplastic forming is a metalworking process for forming sheet metal. It works upon the theory of superplasticity, which means that a material can elongate beyond 100% of its original size.-Process:...
, a metalworking process for forming sheet metal - Supernatant Protein Factor, cytosolic protein known also as SEC14L2, Tap-1 (Tocopherol Associated Protein 1)
In mathematics
- Formal spectrum of a ring, a construction in algebraic geometry
In computing and telecommunications
- Sender Policy FrameworkSender Policy FrameworkSender Policy Framework is an email validation system designed to prevent email spam by detecting email spoofing, a common vulnerability, by verifying sender IP addresses. SPF allows administrators to specify which hosts are allowed to send mail from a given domain by creating a specific SPF...
, an e-mail anti-forgery system - Shortest Path First, another name for Dijkstra's algorithmDijkstra's algorithmDijkstra's algorithm, conceived by Dutch computer scientist Edsger Dijkstra in 1956 and published in 1959, is a graph search algorithm that solves the single-source shortest path problem for a graph with nonnegative edge path costs, producing a shortest path tree...
- Single point of failureSingle point of failureA single point of failure is a part of a system that, if it fails, will stop the entire system from working. They are undesirable in any system with a goal of high availability or reliability, be it a business practice, software application, or other industrial system.-Overview:Systems can be made...
in systems - STEP Physical File, ISO 10303-21ISO 10303-21STEP-File is the most widely used data exchange form of STEP. Due to its ASCII structure it is easy to read with typically one instance per line. The format of a STEP-File is defined in ISO 10303-21 Clear Text Encoding of the Exchange Structure....
data encoding standard - Sunbelt Personal Firewall, a desktop personal firewall
- Structured Programming Facility, an early version of the ISPFISPFIn computing, Interactive System Productivity Facility is a software product for the z/OS operating system that runs on IBM mainframes...
application framework - System Productivity Facility, an early version of the ISPFISPFIn computing, Interactive System Productivity Facility is a software product for the z/OS operating system that runs on IBM mainframes...
application framework
In government and politics
- Security Policy FrameworkSecurity Policy FrameworkThe Security Policy Framework is a set of high-level policies on security, mainly affecting the UK government and its suppliers.The SPF has 70 "mandatory requirements", which are grouped into 7 areas:*...
, an overarching security policy set by UK government - Special Police Force
- Singapore Police ForceSingapore Police ForceThe Singapore Police Force is the main agency tasked with maintaining law and order in the city-state. Formerly known as the Republic of Singapore Police , it has grown from an 11-man organisation to a 38,587 strong force...
- South Pacific Forum
- Space Power FacilitySpace Power FacilityThe Space Power Facility is a vacuum chamber built by NASA in 1969. It stands 122 feet high and 100 feet in diameter, enclosing a bullet-shaped space. It is the world's largest thermal vacuum chamber. It was originally commissioned for nuclear-electric power studies under vacuum conditions, but...
, an experimental vacuum chamber for NASA - Special Purpose ForcesSpecial forcesSpecial forces, or special operations forces are terms used to describe elite military tactical teams trained to perform high-risk dangerous missions that conventional units cannot perform...
, highly trained and advanced soldiers - Socialist Party of FloridaSocialist Party of FloridaThe Socialist Party of Florida is the Florida state chapter of the Socialist Party of the United States of America , a democratic socialist party...
, an affiliate of the Socialist Party USA - Servicio Penitenciario Federal, the Argentine federal administration in charge of prisons
In construction
- Spray polyurethane foam
- Spruce-pine-firSpruce-pine-firPart of a larger group of tree species known as softwoods, in the wood industry, Spruce-pine-fir refers to Canadian woods of similar characteristics that have been grouped for production and marketing...
, mixed softwood timber
Other uses
- Summer Play FestivalSummer Play FestivalThe Summer Play Festival is an annual four-week festival that stages new plays and musicals by emerging writers during the summer months in New York City founded by Broadway producer Arielle Tepper Madover. The first Summer Play Festival was presented in 2004. A year later in 2005, The Living...